Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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August 15, 2017

Spiraling Cloud Patterns Over Guadalupe Island

Long, spiraling cloud patterns in the sky, “von Kármán vortices,” arise when winds are diverted around a blunt, high-profile area, often an island rising from the ocean. The alternating direction of rotation in the air forms swirls in the clouds.

June 20, 2017

Wildfires Light Up Portugal

On June 17, 2017, lightning reportedly ignited a deadly wildfire that spread across the mountainous areas of Pedrógão Grande—a municipality in central Portugal located about 160 kilometers northeast of Lisbon.